Any web application can have a security bug, which exploited, may allow the attacker to gain unauthorized access to crucial application components, and, unfortunately, lead to a leakage of a sensitive data. One of the common ways to defend the zero days is to use WAF (Web Application Firewall). In this tutorial I'll put some light on a dedicated Nginx WAF external module called NAXSI (Nginx Anti XSS & SQL Injection), the ModSecurity equivalent for Apachers, by the way...

Recently I've bought an Odroid U3 peace of hardware, which is fueled by an Exynos-4412 (Quad core) application processor, providing a 2GB LP-DDR2 RAM and, for 3D graphic, Mali-400 GPU. So, the first thing after U3's arrival, I wanted to install a Linux Fedora 20 on my microSD card, but on LUKS-encrypted LVM with the ability to unlock it remotely via SSH. And here we begin...